?:authorAffiliation
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[\'Department of Swine Diseases, National Veterinary Research Institute, Partyzantow 57 Avenue, 24-100 Pulawy, Poland.\', \'Department of Diagnostics and Clinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, Faculty of Biological and Veterinary Sciences, Gargina 7, 87-100 Torun, Poland.\']
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